CN103586809B

CN103586809B - Spanner

Info

Publication number: CN103586809B
Application number: CN201310067917.9A
Authority: CN
Inventors: 徐张雪娥
Original assignee: Individual
Current assignee: Individual
Priority date: 2012-08-14
Filing date: 2013-03-05
Publication date: 2016-08-17
Anticipated expiration: 2033-03-05
Also published as: TW201307001A; GB2505079B; DE202012104751U1; TWI412435B; CN103586809A; GB201312579D0; GB2505079A

Abstract

A wrench comprises a main body, a jaw, a handle and an elastic member. The main body is provided with a fixed jaw and a sliding groove. The jaw portion is equipped with movable jaw, and the bottom of movable jaw forms the sliding part, and the sliding part is concave to be equipped with the draw-in groove, and the sliding part reaches and keeps away from a bottom side of movable jaw and the spout bottom side internal surface looks butt department of fixed jaw apart from the main part and defines an interface, and the extension of this interface passes through the draw-in groove. The grab handle is provided with a toggle piece, when the grab handle is positioned at the driving position, the toggle piece pushes against the sliding part, and the interface extends through the toggle piece. When the grab handle is positioned at the release position, the movable jaw can move towards the direction far away from the fixed jaw. Therefore, the wrench can completely transmit the force for wrenching the wrench to the movable jaw and the fixed jaw, so that the wrench is easy to drive a workpiece to rotate, has a simple structure and is beneficial to controlling the production cost.

Description

Spanner

Technical field

The present invention is relevant a kind of spanner.

Background technology

Existing spanner is by being provided with teeth portion below movable jaw and handle is arranged over another teeth portion, by the engagement of two teeth portion Action, reaches the purpose of spanner, but this kind is by engaging drive, under the torque requiremnt of spanner, easily between teeth portion with teeth portion Cause collapse tooth and long-time use after the problem such as teeth portion abrasion.

To this, having US1,434, No. 754 patents provide a kind of spanner can improve this problem, and its spring is located in a tank, This steady pin is arranged in lamellar body and tank.Wherein, the projection of this spanner is in the lower section of this tank, and shifting part is in tank The draw-in groove of lower section, this shifting part forces in the strength of movable jaw and is mostly focused on this projection.But, this shifting part is to hold from it The outward-dipping extension in top of handle, this projection is then to tilt to extend to draw-in groove direction, and the bearing of trend of the two is contrary, therefore should Shifting part is only capable of in the way of point cantact going to push against this projection, and is upper this projection that pushes against, thus only half strength by with Carry out horizontal translocation projection, in other words, although it need not use engaging of teeth portion and teeth portion, but during its force, because of an only little portion Component amount can be delivered to movable jaw and fixed jaw, it appears is difficult to operate.

Additionally, this spanner is to use two lamellar bodies to be fixed with fixed jaw by movable jaw, it is therefore necessary to offer two tanks, with And after two steady pins are worn movable jaw, fixed jaw and tank respectively, complete to combine this spanner, but the structure phase of this spanner Work as complexity, add manufacturing cost and assemble difficulty.

Summary of the invention

Technical problem underlying to be solved by this invention is, overcomes the drawbacks described above that prior art exists, and provides kind Pulling wrench, its operating effect is good and simple for structure.

The technical solution adopted for the present invention to solve the technical problems is:

A kind of spanner, including a main body, a jaw portion, a lever and an elastic component.

This main body is formed in one and its one end one extends a fixed jaw, and this main body offers a chute in the first direction, This first direction is the direction of this fixed jaw bearing of trend of substantial orthogonality.

One end one in this jaw portion extends a movable jaw, and this jaw portion forms a sliding part in the bottom of this movable jaw, and this is sliding Dynamic portion is arranged with at least goes up draw-in groove, and this sliding part is located at this chute slippingly, and this movable jaw defines jointly with this fixed jaw One jaw mouth, this sliding part away from a bottom side and this main body of this movable jaw away from a chute bottom side contacted inner surfaces of this fixed jaw The place of connecing defines an interface, and the extension of this interface is by this draw-in groove.

This lever is rotatably arranged in this main body, and one end of this lever is provided with at least one shifting part, and this shifting part extends into Entering this draw-in groove, this lever can rotate between an activation point and an off-position, when this lever is positioned at this activation point, and this group Moving part pushes against in this sliding part, makes this jaw mouth be maintained at minimum dimension, and when this lever is positioned at off-position, this movable jaw can be to far From the direction displacement of this fixed jaw, this jaw mouth is made to become large-sized.

This elastic component is connected to this main body and this jaw portion, is available for an elastic force and makes this movable jaw normality side towards fixed jaw To displacement.

Whereby, the strength that user is applied can be fully transmitted to movable jaw with fixing by spanner provided by the present invention On jaw, make the present invention be prone to drive the workpiece such as nut to rotate, and the structure of the present invention is very succinct, contributes to control and produces into This.

Accompanying drawing explanation

The present invention is further described with embodiment below in conjunction with the accompanying drawings.

Fig. 1 is the exploded view of the first embodiment of the present invention.

Fig. 2 is the axonometric chart of the first embodiment of the present invention.

Fig. 3 is the schematic diagram of driving one nut of the first embodiment of the present invention.

Fig. 4 is that the movable jaw of the first embodiment of the present invention is toward the schematic diagram away from the displacement of fixed jaw direction.

Fig. 5 is the sectional view of the second embodiment of the present invention.

Fig. 6 is the sectional view of the third embodiment of the present invention.

Fig. 7 is the sectional view of the fourth embodiment of the present invention.

Label declaration in figure:

1 main body 222b the second end

11 fixed jaw 222c tanks

111,211 extension 223 the 3rd, jaw portion slide block

1 12,212 double wedge 224 protuberances

12 chute 3 supporting members

121 first conduit 4 elastic components

122 second conduit 5 levers

13 perforation 51 first sides

14 wear groove 52 second side

15 latch 53 shifting parts

2 pushing tow face, jaw portions 531 first

21 movable jaw 532 second pushing tow faces

221 first slide block 54 circular holes

221a the first end 6 nut

221b the second end A slip axis

222 second slide block B draw-in grooves

222a the first end

Detailed description of the invention

Refer to Fig. 1 to Fig. 3, in the first embodiment of the present invention, the spanner of the present invention includes main body 1, jaw portion 2, supporting member 3, elastic component 4 and a lever 5.

This main body 1 is formed in one and its one end one extends a fixed jaw 11.This main body 1 offers one along a first direction Chute 12, this first direction is the direction of this fixed jaw 11 bearing of trend of substantial orthogonality, further, for for other parts Arranging, this main body 1 is additionally formed with boring a hole 13 and wear groove 14, and chute 12, perforation 13 are connected with each other with wearing groove 14, and perforation 13 At chute 12 and wear between groove 14, additionally, the axial direction of perforation 13 is perpendicular to this first direction.Wherein, this chute 12 wraps Including one first conduit 121 and one second conduit 122, this first, second conduit 121,122 distinctly runs through one end of this main body 1, with The bearing of trend of this chute 12 defines a slip axis A, this slip axis A and is parallel to this first direction.Preferably, this first groove The width in road 121 is less than the width of this second conduit 122.

One end one in this jaw portion 2 extends a movable jaw 21, and this jaw portion 2 forms a slip in the bottom of this movable jaw 21 Portion, the recessed at least one draw-in groove B of this sliding part, this sliding part is located at this chute 12 slippingly, this movable jaw 21 and this fixed jaw 11 define a jaw mouth jointly, and this jaw mouth changes its size when sliding part slides, and this jaw mouth may be used to clamp nut 6, screw Or its analog, see Fig. 3.The glide direction of this sliding part is parallel to this first direction.This sliding part is away from the one of this movable jaw Bottom side and this main body define an interface away from a contacted inner surfaces place of connecing, chute bottom side of this fixed jaw, and the extension of this interface is logical Cross this draw-in groove B preferably, this slip axis A is by this draw-in groove B.This first conduit 121 is communicated in this jaw mouth and this second conduit Between 122.This sliding part includes one first slide block 221,1 second slide block 222 and one the 3rd slide block 223, this first slide block 221 There is one first end 221a and one second end 221b.This second slide block 222 be located at this first slide block 221 bottom and neighbouring this First end 221a of one slide block 221, this second slide block 222 has one first end 222a and one second end 222b.Wherein, this is sliding The angle of moving axis line A and the second end 222b of this second slide block 222 is not less than 90 degree, in the present embodiment, and this first slide block 221 The end face of bottom be parallel to this first direction, the end face of the second end 222b of this second slide block 222 is perpendicular to this first slide block 221, in other words, this slip axis A is 90 degree with the angle of the end face of the second end 222b of this second slide block 222.3rd is sliding Block 223 is located at bottom and the second end 221b of this first slide block 221 neighbouring of this first slide block 221.Wherein, this slip axis A With the 3rd slide block 223 adjacent to the angle of the end face of one end of the one or two slide block 222 not less than 90 degree preferably, the 3rd Slide block 223 is perpendicular to this first slide block 221 adjacent to the end face of the end of this second slide block 222, in other words, this slip axis A with should 3rd slide block 223 is 90 degree adjacent to the angle of the end face of one end of this second slide block 222.The one of the bottom of this first slide block 221 Partly, the second end 222b and the 3rd slide block 223 of this second slide block 222 defines this adjacent to one end of this second slide block 222 Draw-in groove B.Preferably, the profile of this first slide block 221 corresponds to this first conduit the 121, the 2nd 2, the 3rd slide block 222,223 Profile be respectively corresponding to the profile of this second conduit 122, therefore the width of this first slide block 221 is less than this second, third slide block 222, the width of 223, this second slide block 222 is wide with the 3rd slide block 223.When this sliding part is slidedly arranged on this chute 12, should First slide block 221 is positioned at this first conduit 121, and this second, third slide block 222,223 is distinctly positioned at this second conduit 122.Its In, this jaw portion offers a tank 222c, and this tank is in the width of rebate extension model along a second direction of this draw-in groove B Outside enclosing, this second direction be substantially perpendicular to this first direction preferably, this tank 222c is formed at this sliding part, brighter Really say that this tank 222c is opened in the second slide block 222.

This elastic component 4 is located at this tank 222c, and one first end of this elastic component 4 is connected to this main body by this supporting member 3 1, one second end of this elastic component 4 is resisted against this jaw portion 2 sidewall in this tank 222c.More particularly, this jaw portion 2 in This sidewall in this tank 222c extends inwardly along this first direction and is provided with a protuberance 224, and the second end of this elastic component 4 is sheathed on This protuberance 224, this supporting member 3 is arranged in this main body 1 and this tank 222c, and the first end of this elastic component 4 is resisted against this supporting member 3 The side of the first end 222a of this second slide block 222 neighbouring, the second end of this elastic component 4 is resisted against the internal face of this tank 222c Side near the first end 222a of this second slide block 222.This supporting member 3 of preferably is in stalk shape, and this slip axis A is supported by this The axle center of head part 3.Further, this tank 222c extends along this first direction and defines a centrage, and this centrage is by being somebody's turn to do The midpoint at the bearing of trend two ends of tank 222c, and by the axle center of this supporting member, in other words, this centrage and this sliding axle Line A is overlapping.

This lever 5 is rotatably arranged in this main body 1, and the width of this lever 5 is respectively provided on two sides with one first side 51 With one second side 52, the width of this lever 5 is parallel to this first direction, and one end of this lever 5 is provided with a shifting part 53, This shifting part 53 extends into this draw-in groove B, and the extension of this interface is by this shifting part 53, as shown in Figure 3.This shifting part 53 include one first pushing tow face 531 and one second pushing tow face 532, and this second pushing tow face 532 is the first side 51 from this lever 5 Slope inwardly extension.This lever 5 can rotate between an activation point and an off-position.Due to the shifting part in the present embodiment 53 is an independent projection protruded out in lever 5 one end, and a circular hole 54 is also offered in one end of this lever 5, when assembling, and shifting part 53 directly stretch through wears groove 14 into this, and this main body also includes a latch 15, and this latch 15 wears perforation 13 and this lever of this main body The circular hole 54 of one end, make lever 5 can rotate between an activation point and an off-position around this latch 15, additionally, due to Perforation 13 is vertical with chute 12, and make this latch 15 extends perpendicularly to this first direction.

Refer to Fig. 3, when using the present invention to pull nut 6, first by lever 5 toward rotationally clockwise, when this lever 5 When activation point, the first pushing tow face 531 of this shifting part 53 pushes against the second end 222b in this second slide block 222, and this boundary Face extend through this shifting part 53, this jaw mouth is maintained at minimum dimension whereby, is engaged in fixed jaw 11 in order to movable jaw 21 Two faces, limit of the nut 6 of specific dimensions one, the sustainable lever 5 of holding of user is toward force clockwise, further by nut 6 Screw or unscrew.Certainly, if this draw-in groove B extends to the first slide block 221 further, now, this first pushing tow face 531 is the most likely Push against the first slide block 221 simultaneously.

Refer to Fig. 4, when lever 5 is toward rotate in an anti-clockwise direction to off-position, the first pushing tow face of this shifting part 53 531 away from the second end 222b of this second slide block 222, and the second pushing tow face 532 of this shifting part 53 pushes against in the 3rd slide block One end, and the extension of this interface is still through this shifting part 53, makes this movable jaw 21 to the direction displacement away from this fixed jaw 11 And make jaw mouth become large-sized, whereby, the nut angle of the nut 6 that the present invention can be clamped along jaw mouth rotates directly relative to this nut 6 Be snapped at another two faces, limit of this nut 6 to the present invention, now this elastic component 4 provides an elastic force to make this movable jaw 21 normality Towards the direction displacement of fixed jaw 11, make movable jaw 21 have the trend slided towards fixed jaw 11 and make jaw mouth reduce, can borrow Slightly to clamp position nut 6 in jaw mouth.

Refer to Fig. 5, in the second embodiment of the present invention, it is with first embodiment difference, this fixed jaw 11 and The top of this movable jaw 21 extends obliquely out the most respectively and is formed with an extension, jaw portion 111,211.

Refer to Fig. 6, in the third embodiment of the present invention, it is with first embodiment difference, this fixed jaw 11 and This movable jaw 21 is formed with relative cancave cambered surface preferably the cancave cambered surface of this fixed jaw 11 and this movable jaw 21 is respectively formed several Double wedge 112,212.

Refer to Fig. 7, in the fourth embodiment of the present invention, it is with first embodiment difference, and this sliding part is recessed Having two draw-in groove B, one end of this lever is provided with two shifting parts 53, and this two shifting part 53 distinctly extends into two draw-in grooves.

Sum up embodiment of above, owing to this shifting part 53 is when pushing against this second slide block 222, extending through of this interface The pushing and pressing strength that this shifting part 5 makes user be put to good use is concentrated in horizontal translocation mode and is transferred to the second slide block 222, and further Being transferred to supporting member 3, do not have the component in other direction to produce, whereby, the strength that user is applied is fully transmitted to activity Jaw 21, with on fixed jaw 11, promotes the operability of the present invention, especially overlapping with the centrage of this tank 222c as slip axis A And when passing through the axle center of supporting member 3, the transmission effect of this strength is concentrated the most and operability is optimal.

In like manner, this shifting part 53 when pushing against three slide blocks 223, this interface extend through this shifting part 53, therefore pushing and pressing Strength also can be concentrated in horizontal translocation mode and be transferred to the 3rd slide block 223, and whereby, this jaw portion 2 can be struck part 53 easily Promote toward the direction away from this fixed jaw 11.Especially when slip axis A is also by this shifting part, the transmission effect of this strength Concentrate the most and operability is optimal.

Furthermore, the end face of the second end 222b of this second slide block 222 is perpendicular to this first slide block 221, and the 3rd slide block 223 end faces adjacent to one end of this second slide block 222 are perpendicular to this first slide block 221, therefore this first pushing tow face 531 is to connect with face The mode touched pushes against the end face of the second end 222b in this second slide block 222, and this second pushing tow face 532 is also with the side of face contact Formula pushes against the end face of the one end in the 3rd slide block 223, whereby, the strength that user is applied can be transferred uniformly into this Two slide block 222 or the 3rd slide blocks 223, and the service life of shifting part 53 can be increased.

Additionally, the present invention has the advantages that structure is simplified, it is only necessary to rotate lever 5 and make shifting part 53 push against in this sliding part Second end 222b of the second slide block 222, can clamp nut 6 or like parts, dismantle or assemble, at succinct structure structure Under making, make the present invention have be prone to processing, production cost is low, skill gate facing the street bank is low, gap between part is less and degree of stability relatively High feature, is conducive to manufacturing and obtaining preferably operating with effect, and it is essential that the present invention does not has gear to separate With engaging when engaging or jumping tooth problem, there is preferably operation matter and become, be of value to Improving The Quality of Products.

The above, be only presently preferred embodiments of the present invention, and the present invention not makees any pro forma restriction, all It is based on any simple modification, equivalent variations and modification that above example is made by the technical spirit of the present invention, all still falls within In the range of technical solution of the present invention.

Claims

1. a spanner, it is characterised in that including:

One main body, is formed in one and its one end one extends a fixed jaw, and this main body offers a chute along a first direction, should First direction is the direction of this fixed jaw bearing of trend of substantial orthogonality；

One jaw portion, its one end one extends a movable jaw, and this jaw portion forms a sliding part in the bottom of this movable jaw, this sliding part Being arranged with at least one draw-in groove, this sliding part is located at this chute slippingly, and this movable jaw and this fixed jaw define a jaw jointly Mouthful, this sliding part meets place away from a bottom side and this main body of this movable jaw away from a chute bottom side contacted inner surfaces of this fixed jaw Defining an interface, the extension of this interface is by this draw-in groove, and jaw portion offers a tank, and this tank is positioned at a groove of this draw-in groove Mouthful width is along outside the expanded range of a second direction, and this second direction is substantially perpendicular to this first direction；

One lever, is rotatably arranged in this main body, and one end of this lever is provided with at least one shifting part, and this shifting part extends into this Draw-in groove, this lever can rotate between an activation point and an off-position, when this lever is positioned at this activation point, this shifting part Pushing against in this sliding part, make this jaw mouth be maintained at minimum dimension, when this lever is positioned at off-position, this movable jaw can be to away from this The direction displacement of fixed jaw, makes this jaw mouth become large-sized；

One elastic component, is connected to this main body and this jaw portion, and this elastic component is located at this tank, and one first end of this elastic component passes through one Supporting member is connected to this main body, and one second end of this elastic component is resisted against this jaw portion sidewall in this tank, is available for a bullet Property power makes the direction displacement towards fixed jaw of this movable jaw normality.

Spanner the most according to claim 1, it is characterised in that described chute includes one first conduit and one second conduit, This first conduit is communicated between this jaw mouth and this second conduit, and this sliding part includes one first slide block and one second slide block, should First slide block has one first end and one second end, and this second slide block is located at the bottom of this first slide block and this first slide block neighbouring The first end, this second slide block has one first end and one second end, when this sliding part is slidedly arranged on this chute, this first slide block position In this first conduit, this second slide block is positioned at this second conduit.

Spanner the most according to claim 2, it is characterised in that described sliding part includes one the 3rd slide block, the 3rd slide block It is located at bottom and second end of this first slide block neighbouring of this first slide block, when this lever is positioned at this off-position, this shifting part Push against in one end of the 3rd slide block, make this movable jaw to the direction displacement away from this fixed jaw.

Spanner the most according to claim 1, it is characterised in that described tank is formed at this sliding part.

Spanner the most according to claim 1, it is characterised in that described jaw portion this sidewall in this tank is along this first party Extending to inwardly and be provided with a protuberance, the second end of this elastic component is sheathed on this protuberance.

Spanner the most according to claim 1, it is characterised in that the bearing of trend of described chute defines a slip axis, should Slip axis is by this draw-in groove.

Spanner the most according to claim 6, it is characterised in that one first end of described elastic component is connected by a supporting member In this main body, this supporting member is shaft-like, this slip axis axle center by this supporting member.

Spanner the most according to claim 7, it is characterised in that described jaw portion offers a tank, and this tank is positioned at this card One width of rebate of groove is along outside the expanded range of a second direction, and this second direction is substantially perpendicular to this first direction, should Elastic component is located at this tank, and one first end of this elastic component is connected to this main body by this supporting member, the one second of this elastic component End is resisted against this jaw portion sidewall in this tank, and this tank extends along this first direction and defines a centrage, this center Line, by the midpoint at the bearing of trend two ends of this tank and the axle center of this supporting member, makes this centrage and this slip axis weight Folded.

Spanner the most according to claim 1, it is characterised in that the extension of described interface is by this shifting part.